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How to use executables from a package installed locally in node_modules?
How do I use a local version of a module in node.js . For example, in my app, I installed coffee-script:
22 Answers
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Easiest way to flip a boolean value?
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You can flip a value like so:
myVal = !myVal;
so your code would shorten down to:
switch(wParam) {
case VK_F11:
flipVal = !flipVal;
break;
case VK_F12:
otherVal = !otherVal;
break;
default:
break;
}
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What exactly do “u” and “r” string flags do, and what are raw string literals?
... asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks.
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How do you tell if caps lock is on using JavaScript?
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You can give it a try.. Added a working example. When focus is on input, turning on caps lock makes the led go red otherwise green. (Haven't tested on mac/linux)
NOTE: Both versions are working for me. Thanks for constructive inputs in the comments.
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Is there an easy way to create ordinals in C#?
Is there an easy way in C# to create Ordinals for a number? For example:
21 Answers
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Microsoft CDN for jQuery or Google CDN? [closed]
Does it actually matter which CDN you use to link to your jquery file or any javascript file for that matter. Is one potentially faster than the other? What other factors could play a role in which cdn you decide to use? I know that Microsoft, Yahoo, and Google all have CDN's now.
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How do you get a string to a character array in JavaScript?
... "�", "�", "u"] which can lead to dangerous
bugs. See answers below for safe alternatives.
Just split it by an empty string.
var output = "Hello world!".split('');
console.log(output);
See the String.prototype.split() MDN docs.
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How to see which commits in one branch aren't in the other?
I have two branches devel and next . In devel I have a more or less huge amount of commits. Some of the commits are cherry picked in next . Also I added some commits to next which are merged to devel .
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How to pass arguments into a Rake task with environment in Rails? [duplicate]
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TLDR;
task :t, [args] => [deps]
Original Answer
When you pass in arguments to rake tasks, you can require the environment using the :needs option. For example:
desc "Testing environment and variables"
task :hello, :message, :needs => :environment do |...
When to use a linked list over an array/array list?
... will be in the list. With arrays, you may need to re-declare and copy memory if the array grows too big
you don't need random access to any elements
you want to be able to insert items in the middle of the list (such as a priority queue)
Arrays are preferable when:
you need indexed/random acce...